RHEL 10 : haproxy (RHSA-2025:21691)

high Nessus Plugin ID 275711

Language:

Synopsis

The remote Red Hat host is missing a security update for haproxy.

Description

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:21691 advisory.

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.

Security Fix(es):

* haproxy: denial of service vulnerability in HAProxy mjson library (CVE-2025-11230)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL haproxy package based on the guidance in RHSA-2025:21691.

Plugin Details

Severity: High

ID: 275711

File Name: redhat-RHSA-2025-21691.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/18/2025

Updated: 11/18/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-11230

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:haproxy, cpe:/o:redhat:enterprise_linux:10.1

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/18/2025

Vulnerability Publication Date: 10/9/2025

Reference Information

CVE: CVE-2025-11230

CWE: 407

RHSA: 2025:21691

Detections

Analytics